CVE-2026-68107: drm/amdgpu/vcn4: avoid rereading IB param length

lowCVSS 2.5CVE-2026-68107

CSIRTS triage

vendor: Linux product: Linux kernelOther

What: The AMD GPU driver VCN4 subsystem rereads instruction buffer parameter length, potentially enabling exploitation.
Who is affected: Linux systems with AMD Radeon GPUs using the amdgpu driver.
Urgency: Low priority; CVSS 2.5 indicates minimal impact and no active exploitation.
Action: Update to a patched Linux kernel version containing the fix for CVE-2026-68107.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: low — CVSS 2.5
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68107

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-681070.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-68107	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for drm/amdgpu/vcn4

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-68107: In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: avoid rer…nvd · 2026-08-10